The Government of Saskatchewan is suing the federal government over the cleanup of the Gunnar uranium mine, saying the feds have not contributed equally to the cleanup project, which has cost the province more than $125 million. Patricia Sandberg researched the mine extensively for her book "Sun Dogs and Yellowcake: Gunnar Mines - A Canadian Story." Sandberg joins John now to talk about the history of the mining project and why the cleanup is costing so much money.